porting stuff

code/modules/client/client_defines.dm

@@ -14,6 +14,10 @@
 	var/jobbancache = null //Used to cache this client's jobbans to save on DB queries
 	var/last_message	= "" //Contains the last message sent by this client - used to protect against copy-paste spamming.
 	var/last_message_count = 0 //contins a number of how many times a message identical to last_message was sent.
+	///How many messages sent in the last 10 seconds
+	var/total_message_count = 0
+	///Next tick to reset the total message counter
+	var/total_count_reset = 0
 	var/ircreplyamount = 0
 
 		/////////

code/modules/client/client_procs.dm

@@ -141,7 +141,43 @@ GLOBAL_LIST_INIT(blacklisted_builds, list(
 		return 0
 	return 1
 
+/*
+ * Call back proc that should be checked in all paths where a client can send messages
+ *
+ * Handles checking for duplicate messages and people sending messages too fast
+ *
+ * The first checks are if you're sending too fast, this is defined as sending
+ * SPAM_TRIGGER_AUTOMUTE messages in
+ * 5 seconds, this will start supressing your messages,
+ * if you send 2* that limit, you also get muted
+ *
+ * The second checks for the same duplicate message too many times and mutes
+ * you for it
+ */
 /client/proc/handle_spam_prevention(message, mute_type)
+
+	//Increment message count
+	total_message_count += 1
+
+	//store the total to act on even after a reset
+	var/cache = total_message_count
+
+	if(total_count_reset <= world.time)
+		total_message_count = 0
+		total_count_reset = world.time + (5 SECONDS)
+
+	//If they're really going crazy, mute them
+	if(cache >= SPAM_TRIGGER_AUTOMUTE * 2)
+		total_message_count = 0
+		total_count_reset = 0
+		cmd_admin_mute(src, mute_type, 1)
+		return 1
+
+	//Otherwise just supress the message
+	else if(cache >= SPAM_TRIGGER_AUTOMUTE)
+		return 1
+
+
 	if(CONFIG_GET(flag/automute_on) && !holder && last_message == message)
 		src.last_message_count++
 		if(src.last_message_count >= SPAM_TRIGGER_AUTOMUTE)